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Hitachi RAK-18REF Service Manual

Hitachi RAK-18REF
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70%40%
Fig.1 Frost Period time Fig.2 Frost Period outdoor Fan Fig.3 The range of indoor/outdoor temperature Fig.4 The range of indoor/outdoor temperature
outdoor Fan [min]
indoor humidity [%]
Fig.5 Frost Period Compressor speed (area A) Fig.6 Frost Period Compressor speed (area B)
Frost Period [min] Compressor speed [/min]
Compressor speed [/min]
Compressor speed [/min]indoor humidity [%]
frz_cmp_otmp_l
outdoor temperature [] outdoor temperature []
outdoor temperature []
frz_cmp_otmp_mfrz_cmp_otmp_h
clnfrz_cmpck12
clnfrz_cmpck11
frz_cmp_otmp_l frz_cmp_otmp_mfrz_cmp_otmp_h
1
43
(1)The total hours of air conditioning operation is more than 42 hours(SLEEPON TIMER operation will take 84 hours ,And air conditioner is operated for more than 30 minutes,
(2)Within 2 hours before the ON TIMER designated time,Frost wash(auto) cannot be operate;
(3)ONCE TIMER (ON/OFF TIMER) operation cannot be set ,when Frost wash(auto) is running;
(6)In frost period ,The maximum time is 10 minu
tes after the heat exchanger temperature
-10
(8)Fan period 1 Fan period 2 will not running,when last operation was HEATING;
(9)When device operat Frost wash during ON condition,the device will stop and have blance time(3 minutes)
1 According to room humidity, the Frost period time becomes as it is shown in Fig.1.
2 According to Compressor rotation speed, the Outdoor fan becomes as it is shown in Fig.2.
The Compressor rotation speed becomes as it is shown in Fig.6.about area B
Meanwhile, the outdoor temperature and indoor humidity are suitable for the Frost Wash(Area AB in Fig.34),Frost Wash (auto) start;
(4)When the Frost Wash is stopped during Frost Wash operation, the unit automatically restart Frost Wash at the next operation stop.
(5)Before the Frost period start,the outdoor temperature16℃,Or before the defrosting period finish,the heat exchanger temperature 0℃,The Heating period will not running. Fan period 1 Fan period 2 all turn to Fan operation
(10)Before the Frost period start,OH temperature60,Original blance period time will add 3 minutes
3 The Compressor rotation speed becomes as it is shown in Fig.5.about area A,
(7)Heating period will finish after the heat exchanger temperature
35,remanent time turn to Fan period 2,the total time unchanged
Frost wash
31%
40%
60%
70%
Blance period
Frost period
Defrosng period
Stop period 1
Operation lamp
Indoor fan
Compressor rotation speed
CoolingHeating
Dehumdify operation
Frost wash operation
Heating period 1
Fan period 1
Fan period 2
Heating period 2
Deflector angle
(Vertical)
Shut
Stop period 2
Upward a bit
Downward a bit
SS
2
3
1
frzcl n_blnce_tm
(AUTO)
frzcln_souf1_tm
(manual)
clnm_def1
clnm_suf1_frz1 clnm_wam1_frz1
clnm_stp1_frz1
clnm_wam2_frz1
clnm_stp2_frz1
clnm_suf2_frz1
clncmp_frz
clncmp_frz
gfwfrz_wam_p
gfwfrz_wam_p
fcln_frz_wam fcln_frz_wamfcln_frz_suf fcln_frz_suf
frz_cmp_base_l
frz_cmp_base_h
area A
area B
indoor humidity [%]
indoor temperature []
31%
2010 32
area A
area B
Prohibited area Prohibited area
28
40%
60%
70%
frz_cmp_base_m
frztm1_long
frztm1_short
gfcfrz11_p
gfcfrz12_p
gfcfrz13_p
frz_cmp_base_lb
frz_cmp_base_mb
frz_cmp_base_hb
Stop button
Frost wash lamp
Outdoor fan
37

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Hitachi RAK-18REF Specifications

General IconGeneral
BrandHitachi
ModelRAK-18REF
CategoryAir Conditioner
LanguageEnglish

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